Here's what rhymes with colocolonic.
colonic chronic ionic ironic tonic sonic conic phonic chorionic iconic laconic bionic electronic harmonic hegemonic ultrasonic demonic mnemonic sardonic diachronic ganglionic isotonic monotonic platonic polyphonic catatonic diatonic subsonic daemonic avionic acetonic embryonic tectonic planktonic symphonic synchronic telephonic monophonic quadraphonic quadrophonic supersonic histrionic hypertonic architectonic hydroponic infrasonic pathognomonic stereophonic philharmonic microelectronic Words that almost rhyme with colocolonic
atomic comic economic agronomic ergonomic anatomic autonomic genomic diatomic uneconomic subatomic taxonomic gastronomic astronomic macroeconomic tragicomic microeconomic socioeconomic logic caloric rollick topic erotic melodic carbolic folic gothic tropic atopic boric cathodic frolic ecologic hayrick alcoholic cosmic toxic aortic aquatic chaotic garlic neurotic biologic caustic geologic necrotic pharmacologic phenolic psychologic pyloric anoxic biotic cathartic dialogic euphoric formic gnostic gynecologic iambic karmic meiotic myopic nephrotic robotic bardic cirrhotic acrostic seraphic strophic allegoric subtopic carsick gynaecologic placekick periodic apostolic exotic hydraulic catastrophic episodic isotropic narcotic neurologic pathologic psychotic ascorbic etiologic idiotic isotopic yardstick agnostic anabolic anarchic basaltic catabolic cytologic fibrotic lethargic prosodic radiologic sclerotic serologic bucolic diabolic folkloric hierarchic heartsick rhapsodic workaholic chopstick subtropic aetiologic noncaloric shambolic chocoholic chocaholic historic symbolic metabolic patriotic philosophic physiologic despotic diastolic histologic hypnotic philanthropic prognostic systolic anisotropic immunologic metaphoric morphologic parabolic semiotic synoptic hematologic hypoxic inotropic isomorphic meteoric oligarchic orthodontic pedagogic polymorphic psychotropic quixotic thrombotic arthroscopic demagogic homoerotic kaleidoscopic vitriolic xenophobic sophomoric theosophic nonnarcotic haematologic seismologic shopaholic astronautic horologic diagnostic microscopic antibiotic hydrochloric macroscopic anthropomorphic atherosclerotic hyperbolic metamorphic spasmodic symbiotic hydrologic melancholic nontoxic telescopic antarctic fluoroscopic microcosmic unpatriotic gyroscopic misanthropic nonalcoholic subarctic macrobiotic prehistoric cytotoxic endoscopic epidemiologic antipsychotic hygroscopic peristaltic bacteriologic posthypnotic meteorologic electroscopic spectroscopic stereoscopic stroboscopic submicroscopic antispasmodic